Passages of the Solar System have only been established in three interstellar objects, but the construction of new telescopes ...

Interstellar showcased a bleak future, but NASA's Artemis II mission looks to avoid a possible future for something even ...

NASA’s TESS spacecraft captured dozens of images of interstellar comet 3I/ATLAS in. The data show the rare visitor behaves ...

NASA's most distant spacecraft had a critical thruster problem far from home. Fixing it required a long-distance call to overcome extreme cold and dwindling power. When you purchase through links on ...

The interstellar visitor may still have a few things to tell us before it leaves our solar system.

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American In an earlier blog post about Christopher ...

An international team of scientists has examined dust grains gathered by the NASA Stardust spacecraft and brought back to Earth – and has discovered that they originated in the interstellar dust ...